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Catracho Catracho
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Posts: 529
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5 years ago
Twenty-four percent of people in a city eligible to donate blood actually do. You randomly select four eligible blood donors and ask them if they donate blood. Complete parts​ (a) through​ (d) below.
​(a) Find the mean of the binomial distribution.

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Educator
5 years ago
Just note that only (a) is shown. You might want to post the others. Anyway, the formula for mean is:

\(\mu =n\cdot p\)

Here, n = 4 and p = 0.24

Substitute those into the formula:

\(\mu =4\cdot 0.24=0.96\)
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